Narrow-body aircraft
Airliner with a single aisle / From Wikipedia, the free encyclopedia
A narrow-body aircraft or single-aisle aircraft is an airliner arranged along a single aisle, permitting up to 6-abreast seating in a cabin less than 4 metres (13 ft) in width. In contrast, a wide-body aircraft is a larger airliner usually configured with multiple aisles and a fuselage diameter of more than 5 metres (16 ft), allowing at least seven-abreast seating and often more travel classes.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Lufthansa_Boeing_737-300%3B_D-ABED%40ZRH%3B04.03.2013_694bc_%288531080414%29.jpg/640px-Lufthansa_Boeing_737-300%3B_D-ABED%40ZRH%3B04.03.2013_694bc_%288531080414%29.jpg)